Flanges

FLANGES

DIN FLANGE PN6-PN40

We are involved in offering a quality range of Industrial Flanges, which is high in durability and can withstand extreme conditions. These industrial flanges are available in different grades, class, and other technical specifications as per the client’s requirements. Our range is commonly used to connect other threaded components in low pressure and non-critical applications.

Dimensions

Plate Flange
Welding Neck Flange
Threaded Flange
Blind Flange
Lapped/Loose Flange

Dimensions & Approximate Masses of DIN 2573 PN6 Flange

Germany standard flange DIN 2573 for soldering or welding Nominall Pressure 6
Flansche, glatt zum löten oder schweißen DIN 2573 Nenndruck 6
Brides plates a souder DIN 2573 pression nominale 6
Pipe Flange Screws Weight
(7,85 Kg/dm3)
Rated
Diameter		 d1 d5 D b c k Holes Thread d2 Kg
ISO Series 1 DIN Series 2
15 - 20 21 80 12 5 55 4 M 10 11 0,41
21,3 - 22
20 - 25 26 90 14 5 65 4 M 10 11 0,60
26,9 - 27,6
25 - 30 31 100 14 5 75 4 M 10 11 0,74
33,7 - 34,4
32 - 38 39 120 16 5 90 4 M 12 14 1,19
42,4 - 43,1
40 - 44,5 45,5 130 16 5 100 4 M 12 14 1,39
48,3 - 49
50 - 57 58,1 140 16 6 110 4 M 12 14 1,53
60,3 - 61,1
65 76,1 - 77,1 160 16 6 130 4 M 12 14 1,89
80 88,9 - 90,3 190 18 7 150 4 M 16 18 2,98
100 - 108 109,6 210 18 7 170 4 M 16 18 3,46
114,3 - 115,9
125 - 133 134,8 240 20 7 200 8 M 16 18 4,60
139,7 - 141,6
150 - 159 161,1 265 20 7 225 8 M 16 18 5,22
168,3 - 170,5
200 219,1 - 221,8 320 22 7 280 8 M 16 18 7,15
250 - 267 270,2 375 24 7 335 12 M 16 18 9,61
273 - 276,2
300 323,9 - 327,6 440 24 7 395 12 M 20 22 12,60
350 355,6 - 359,7 490 26 7 445 12 M 20 22 15,60
- 368 372,2
400 406,4 - 411 540 28 7 495 16 M 20 22 18,40
- 419 423,7
(450)* 457 - 462,5 595 30 7 550 16 M 20 22 21,40
500 508 - 531,6 645 30 7 600 20 M 20 22 24,60

NOTE:
1. Facing according to DIN 2526
Flat face:
Form A, Face without any requirements
Form B, Face Rz=160, machined (not smoother than 40µm)
Raised Face:
Form C, Face Rz=160, machined (not smoother than 40µm)
Form D, Face Rz=40, machined
Form E, Face Rz=16, machined
2. Tongue and groove according to DIN 2512
Form F, Tongue
Form N, Groove
3. Male and Female according to DIN 2513, DIN 2514
Form V13, V14, Male
Form R13, R16, Female
4. Chemfering for diaphragm-weld packings, PN64-PN400, according to DIN 2695
5. Facing for lens-shaped joints, PN64-PN400, according to DIN 2696

DIN 2631 PN6 WELDING NECK FLANGE RF

Dimensions & Approx Masses of DIN 2631 PN6 WNRF Flange

Germany standard flange DIN 2631 welding neck flanges; nominal pressure 6
Vorschweißflansche DIN 2631 Nenndruck 6
Brides à souder à collerette DIN 2631: pression nominale 6
Pipe Flange Neck Raised face Screws Weight
(7,85 Kg/dm3)
Rated d1 D b k h1 d3 s r h2 d4 f Holes Thread d2 Kg
Diameter ISO Series DIN Series
15 - 20 80 12 55 30 28 2 4 6 40 2 4 M 10 11 0,392
21,3 - 30
20 - 25 90 14 65 32 35 2,3 4 6 50 2 4 M 10 11 0,592
26,9 - 38
25 - 30 100 14 75 35 40 2,6 4 6 60 2 4 M 10 11 0,747
33,7 - 42
32 - 38 120 14 90 35 50 2,6 6 6 70 2 4 M 12 14 1,05
42,4 - 55
40 - 44,5 130 14 100 38 58 2,6 6 7 80 3 4 M 12 14 1,18
48,3 - 62
50 - 57 140 14 110 38 70 2,9 6 8 90 3 4 M 12 14 1,34
60,3 - 74
65 76,1 - 160 14 130 38 88 2,9 6 9 110 3 4 M 12 14 1,67
80 88,9 - 190 16 150 42 102 3,2 8 10 128 3 4 M 16 18 2,71
100 - 108 210 16 170 45 122 3,6 8 10 148 3 4 M 16 18 3,24
114,3 130
125 - 133 240 18 200 48 148 4 8 10 178 3 8 M 16 18 4,49
139,7 - 155
150 - 159 265 18 225 48 172 4,5 10 12 202 3 8 M 16 18 5,15
168,3 - 184
200 219,1 - 320 20 280 55 236 5,9 10 15 258 3 8 M 16 18 7,78
250 - 267 375 22 335 60 282 6,3 12 15 312 3 12 M 16 18 10,8
273 - 290
300 323,9 - 440 22 395 62 342 7,1 15 15 365 4 12 M 20 22 14
350 355,6 - 490 22 445 62 385 7,1 12 15 415 4 12 M 20 22 18,5
- 368 16,7
400 406,4 - 540 22 495 65 438 7,1 12 15 465 4 16 M 20 22 21,2
- 419 19
500 508 - 645 24 600 68 538 7,1 12 15 570 4 20 M 20 22 28,6
600 610 - 755 24 705 70 640 7,1 12 16 670 5 20 M 24 26 31,5
700 711 - 860 24 810 70 740 7,1 12 16 775 5 24 M 24 26 37,4
800 813 - 975 24 920 70 842 7,1 12 16 880 5 24 M 27 30 46,1
900 914 - 1075 26 1020 70 942 7,1 12 16 980 5 24 M 27 30 55,6
1000 1016 - 1175 26 1120 70 1045 7,1 16 16 1080 5 28 M 27 30 61,9

NOTE:
1. Facing according to DIN 2526
Flat face:
Form A, Face without any requirements
Form B, Face Rz=160, machined (not smoother than 40µm)
Raised Face:
Form C, Face Rz=160, machined (not smoother than 40µm)
Form D, Face Rz=40, machined
Form E, Face Rz=16, machined
2. Tongue and groove according to DIN 2512
Form F, Tongue
Form N, Groove
3. Male and Female according to DIN 2513, DIN 2514
Form V13, V14, Male
Form R13, R16, Female
4. Chemfering for diaphragm-weld packings, PN64-PN400, according to DIN 2695
5. Facing for lens-shaped joints, PN64-PN400, according to DIN 2696

DIN 2565 PN6/DIN 2566 PN16 THREADED FLANGE

Dimensions & Masses of DIN 2565/DIN 2566 Threaded Flange

DIN 2565 PN 6 THREADED FLANGE SPECIFICATION
Rated
Diameter		   Flange Neck Raised face Screws Weight
(7,85 Kg/dm3)
d1 Thread D b k h1 d3 d4 f Holes Thread d2 Kg
15 21,3 R 1/2 80 12 55 20 30 40 2 4 M 10 11 0,373
20 26,9 R 3/4 90 14 65 24 40 50 2 4 M 10 11 0,59
25 33,7 R 1 100 14 75 24 50 60 2 4 M 10 11 0,743
32 42,4 R 1 1/4 120 14 90 26 60 70 2 4 M 12 14 1,05
40 48,3 R 1 1/2 130 14 100 26 70 80 3 4 M 12 14 1,2
50 60,3 R 2 140 14 110 28 80 90 3 4 M 12 14 1,37
65 76,1 R 2 1/2 160 14 130 32 100 110 3 4 M 12 14 1,92
80 88,9 R 3 190 16 150 34 110 128 3 4 M 16 18 2,82
100 114,3 R 4 210 16 170 38 130 148 3 4 M 16 18 3,19
125 139,7 R 5 240 18 200 40 160 178 3 8 M 16 18 4,47
150 165,1 R 6 265 18 225 44 185 202 3 8 M 16 18 5,3

DIN 2566 PN16 THREADED FLANGE SPECIFICATION
Rated
Diameter		   Flange Neck Raised face Screws Weight
(7,85 Kg/dm3)
d1 Thread D b k h1 d3 d4 f Holes Thread d2 Kg
15 21,3 R 1/2 95 14 65 20 35 45 2 4 M 12 14 0,613
20 26,9 R 3/4 105 16 75 24 45 58 2 4 M 12 14 0,91
25 33,7 R 1 115 16 85 24 52 68 2 4 M 12 14 1,1
32 42,4 R 1 1/4 140 16 100 26 60 78 2 4 M 16 18 1,6
40 48,3 R 1 1/2 150 16 110 26 70 88 3 4 M 16 18 1,78
50 60,3 R 2 165 18 125 28 85 102 3 4 M 16 18 2,43
65 76,1 R 2 1/2 185 18 145 32 105 122 3 4 M 16 18 3,18
80 88,9 R 3 200 20 160 34 118 138 3 8 M 16 18 4,12
100 114,3 R 4 220 20 180 38 140 158 3 8 M 16 18 4,47
125 139,7 R 5 250 22 210 40 168 188 3 8 M 16 18 6,13
150 165,1 R 6 285 22 240 44 195 212 3 8 M 20 22 7,92

NOTE:
1. Facing according to DIN 2526
Flat face:
Form A, Face without any requirements
Form B, Face Rz=160, machined (not smoother than 40µm)
Raised Face:
Form C, Face Rz=160, machined (not smoother than 40µm)
Form D, Face Rz=40, machined
Form E, Face Rz=16, machined
2. Tongue and groove according to DIN 2512
Form F, Tongue
Form N, Groove
3. Male and Female according to DIN 2513, DIN 2514
Form V13, V14, Male
Form R13, R16, Female
4. Chemfering for diaphragm-weld packings, PN64-PN400, according to DIN 2695
5. Facing for lens-shaped joints, PN64-PN400, according to DIN 2696

DIN 2527 BLIND FLANGE PN6, PN10, PN16, PN25, PN40

Dimensions & Approximate Masses of DIN 2527 Blind Flange

Germany standard flange DIN 2527 Blind flange Nominal Pressure 6 to 100
Blindflansche Nenndruck 6 bis 100
Brides plaines, pressions nominales 6 à 100
DIN 2527 PN6 BLIND FLANGE
Rated
Diameter		 Flange Screws Weight
(7,85 Kg/dm3)
D b k Number Thread d2 Shape B
Kg
15 80 12 55 4 M 10 11 0.44
20 90 14 65 0.66
25 100 14 75 0.83
32 120 14 90 M 12 14 1.18
40 130 14 100 1.39
50 140 14 110 1.63
65 160 14 130 2.15
80 190 16 150 M 16 18 3.44
100 210 16 170 4.22
125 240 18 200 8 6.11
150 265 18 225 7.51
200 320 20 280 12.31
250 375 22 335 12 18.54
300 440 22 395 M 20 22 25.46
350 490 22 445 31.77
400 540 22 495 16 38.49
500 645 24 600 20 60.10

DIN 2527 PN10 BLIND FLANGE
Rated
Diameter		 Flange Screws Weight
(7,85 Kg/dm3)
D b k Number Thread d2 Shape B
Kg
15 95 14 65 4 M 12 14 0,72
20 105 16 75 1,01
25 115 16 85 1,23
32 140 16 100 M 16 18 1,8
40 150 16 110 2,09
50 165 18 125 2,88
65 185 18 145 3,66
80 200 20 160 4,77
100 220 20 180 8 5,65
125 250 22 210 8,42
150 285 22 240 M 20 22 10,4
200 340 24 295 16,5
250 395 26 350 12 24
300 445 26 400 30,9
350 505 26 460 16 40,6
400 565 26 515 M 24 26 49,4
500 670 28 620 20 75


DIN 2527 PN16 BLIND FLANGE
Rated
Diameter		 Flange Screws Weight
(7,85 Kg/dm3)
D b k Number Thread d2 Shape B
Kg
15 95 14 65 4 M 12 14 0,72
20 105 16 75 1,01
25 115 16 85 1,23
32 140 16 100 M 16 18 1,8
40 150 16 110 2,09
50 165 18 125 2,88
65 185 18 145 3,66
80 200 20 160 8 4,77
100 220 20 180 5,65
125 250 22 210 8,42
150 285 22 240 M 20 22 10,4
200 340 24 295 12 16,1
250 405 26 355 M 24 26 24,9
300 460 28 410 35,1
350 520 30 470 16 47,8
400 580 32 525 M 27 30 63,5
500 715 36 650 20 M 30 33 102

NOTE:
1. Facing according to DIN 2526
Flat face:
Form A, Face without any requirements
Form B, Face Rz=160, machined (not smoother than 40µm)
Raised Face:
Form C, Face Rz=160, machined (not smoother than 40µm)
Form D, Face Rz=40, machined
Form E, Face Rz=16, machined
2. Tongue and groove according to DIN 2512
Form F, Tongue
Form N, Groove
3. Male and Female according to DIN 2513, DIN 2514
Form V13, V14, Male
Form R13, R16, Female
4. Chemfering for diaphragm-weld packings, PN64-PN400, according to DIN 2695
5. Facing for lens-shaped joints, PN64-PN400, according to DIN 2696

DIN 2642 PN10 LOOSE FLANGE


Dimensions & Approximate Masses of DIN 2642 PN10 Flange

Germany standard flange DIN 2642 lapped flange; nominal pressure 10
  
Lose Flansche Vorschweißbördel Glatte Bunde DIN 2642 Nenndruck 10
Brides tournantes: pression nominale 10
Pipe Flange Screws Weight
(7,85 Kg/dm3)
Rated
Diameter 		d1 D d6 b k e Holes Thread d2 Kg
ISO
Series 1		 DIN
Series 2
15 - 20 95 22 14 65 3 4 M 12 14 0,689
21,3 - 24
20 - 25 105 28 14 75 3 4 M 12 14 0,806
26,9 - 30
25 - 30 115 33 16 85 4 4 M 12 14 1,11
33,7 - 36
32 - 38 140 42 16 100 4 4 M 16 18 1,64
42,4 - 46
40 - 44,5 150 50 16 110 4 4 M 16 18 1,86
48,3 - 54
50 - 57 165 62 16 125 5 4 M 16 18 2,2
60,3 - 65
65 76,1 - 185 81 16 145 5 4 M 16 18 2,62
80 88,9 - 200 94 18 160 5 8 M 16 18 3,32
100 - 108 220 113 18 180 5 8 M 16 18 3,67
114,3 - 119
125 - 133 250 138 18 210 5 8 M 16 18 4,54
139,7 - 145
150 - 159 285 164 18 240 5 8 M 20 22 5,6
168,3 - 173
200 219,1 - 340 225 20 295 5 8 M 20 22 7,46
250 - 267 395 273 22 350 5 12 M 20 22 10,3
273 - 279
300 323,9 - 445 329 26 400 5 12 M 20 22 14
350 355,6 - 505 362 28 460 6 16 M 20 22 18,5
- 368 374
400 406,4 - 565 413 32 515 6 16 M 24 26 25
- 419 426
(450) 457 - 615 467 38 565 6 20 M 24 26 30,6
500 508 - 670 517 38 620 6 20 M 24 26 37
600 610 - 780 618 44 725 7 20 M 27 30 56,3
700 711 - 895 721 50 840 7 24 M 27 30 80,4
800 813 - 1015 824 56 950 7 24 M 30 33 113,2

NOTE:
1. Facing according to DIN 2526
Flat face:
Form A, Face without any requirements
Form B, Face Rz=160, machined (not smoother than 40µm)
Raised Face:
Form C, Face Rz=160, machined (not smoother than 40µm)
Form D, Face Rz=40, machined
Form E, Face Rz=16, machined
2. Tongue and groove according to DIN 2512
Form F, Tongue
Form N, Groove
3. Male and Female according to DIN 2513, DIN 2514
Form V13, V14, Male
Form R13, R16, Female
4. Chemfering for diaphragm-weld packings, PN64-PN400, according to DIN 2695
5. Facing for lens-shaped joints, PN64-PN400, according to DIN 2696.